Rank the three types of bonds - ionic, polar covalent and nonpolar covalent - from strongest to weakest. Justify your answer.

The order of strongest to weakest bond type:

Ionic bond > Polar covalent bond > non polar covalent bond

Explanation:

Ionic bonds are chemicals bonds in which the complete transfer of electrons takes place between a highly electronegative atom and the least electronegative atom.In an ionic bond, there is a strong electrostatic force of attraction due to the formation of two oppositely charged ions.Covalent bonds are chemicals bonds in which the sharing of electrons takes place between atoms with a slight or nil difference in their electronegativities.There are two types of covalent bonds: polar covalent and nonpolar covalent.In polar covalent bonds, due to unequal sharing of electrons partial positive and negative charges are generated.These partial charges give rise to a temporary attractive force of attraction between atoms in polar covalent bonds.In non-polar covalent bonds,  equal sharing of electrons between atoms of the same or similar electronegativities.The order from strongest to weakest chemical bond:

Strong electrostatic force> temporary attractive force> no force of attraction

Ionic bond > Polar covalent bond > non polar covalent bond

So, from this, we can conclude that the order of ionic bond is the strongest followed by a polar covalent bond and then a nonpolar covalent bond.

Learn more about types of chemical bonds here:

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Answer : Ionic, polar covalent, and no polar covalent

Ionic has the strongest bond because there is a complete transfer of the valence electrons, this results in full charges. Polar covalent bonds have electrons shared unequally between the atoms, resulting in partial charges in the atoms. And nonpoplar covalent bonds have electrons shared equally between two atoms, resulting in i charges of the atoms.

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